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run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { function f(array $p) { var_dump($p); } } class B extends A { function f(iterable $p) { var_dump($p); } } (new B)->f([]);
Output for 7.1.0 - 7.2.6
array(0) { }
Output for 7.0.0 - 7.0.26
Warning: Declaration of B::f(iterable $p) should be compatible with A::f(array $p) in /in/dua6h on line 9 Fatal error: Uncaught TypeError: Argument 1 passed to B::f() must be an instance of iterable, array given, called in /in/dua6h on line 11 and defined in /in/dua6h:8 Stack trace: #0 /in/dua6h(11): B->f(Array) #1 {main} thrown in /in/dua6h on line 8
Process exited with code 255.
Output for hhvm-3.22.0
Fatal error: Uncaught TypeError: Argument 1 passed to B::f() must be an instance of iterable, array given in /in/dua6h:-1 Stack trace: #0 /in/dua6h(-1): B->f() #1 {main}
Process exited with code 255.
Output for hhvm-3.18.5 - 3.21.3
Fatal error: Uncaught TypeError: Argument 1 passed to B::f() must be an instance of iterable, array given in /in/dua6h:8 Stack trace: #0 /in/dua6h(11): B->f() #1 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Strict Standards: Declaration of B::f() should be compatible with A::f(array $p) in /in/dua6h on line 9 Catchable fatal error: Argument 1 passed to B::f() must be an instance of iterable, array given, called in /in/dua6h on line 11 and defined in /in/dua6h on line 8
Process exited with code 255.